Skip to main content

Table 2 Summary table showing the hazard ratios from Cox regression analyses for the three IPI models, baseline IPI, rIPI1 and rIPI2

From: Routine use of ancillary investigations in staging diffuse large B-cell lymphoma improves the International Prognostic Index (IPI)

  rIPI1#
Hazard ratios
(95% CI)
Baseline IPI
Hazard ratios
(95% CI)
rIPI2
Hazard ratios
(95% CI)
Low-risk IPI
(score 0/1)
Reference Reference Reference
Low-intermediate IPI
(score 2)
2.0 (0.61, 6.76)
p = 0.248
1.56 (0.54, 4.51)
P = 0.4
1.8 (0.5, 6.0)
P = 0.3
High-intermediate IPI
(score 3)
7.6 (2.61, 22.36)
p < 0.0001
5.32 (2.14, 13.22)
P < 0.0001
6.4 (2.2, 18.6)
P = 0.001
High-risk IPI
(score 4/5)
8.9 (2.94, 27.17)
p < 0.0001
6.9 (2.61, 18.32)
P < 0.0001
8.1 (2.7, 24.6)
P < 0.001
  1. #Cox regression using forward likelihood ratio method (X2: 31.5, df = 3, p < 0.0001)
  2. Cox regression entering baseline IPI into the model first (X2: 27.4, df = 3, p < 0.0001)
  3. Cox regression entering rIPI2 in to the model first (X2: 28.2, df = 3, p < 0.0001)